package com.atguigu.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * 注销用户的Servlet
 */
public class LogoutServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//获取Session对象
		HttpSession session = request.getSession();
		//将User对象从session域中移除
		session.removeAttribute("user");
		//重定向到首页
		response.sendRedirect(request.getContextPath()+"/index.jsp");
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}

}
